When Hannah Farnsworth was born on 22 August 1753, in Harvard, Worcester, Massachusetts, United States, her father, Nathaniel Farnsworth, was 41 and her mother, Eunice Sawtell, was 32. She married Joseph Atherton on 24 November 1771, in Harvard, Worcester, Massachusetts, United States. They were the parents of at least 3 sons and 5 daughters. She died on 15 April 1835, in Chesterfield, Cheshire, New Hampshire, United States, at the age of 81.